Thursday 17 November 2011

The Java Programming Language

The Java programming language is a high-level language that can be characterized by all of the following buzzwords:
•    Simple
•    Object oriented
•    Distributed
•    Multithreaded
•    Dynamic    •    Architecture neutral
•    Portable
•    High performance
•    Robust
•    Secure
Each of the preceding buzzwords is explained in The Java Language Environment , a white paper written by James Gosling and Henry McGilton.
In the Java programming language, all source code is first written in plain text files ending with the .java extension. Those source files are then compiled into .class files by the javac compiler. A .class file does not contain code that is native to your processor; it instead contains bytecodes — the machine language of the Java Virtual Machine1 (Java VM). The java launcher tool then runs your application with an instance of the Java Virtual Machine.

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